206 lines
6.9 KiB
C++
206 lines
6.9 KiB
C++
/*************************************************************************/
|
|
/* soft_body.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
#ifndef SOFT_PHYSICS_BODY_H
|
|
#define SOFT_PHYSICS_BODY_H
|
|
|
|
#include "scene/3d/mesh_instance.h"
|
|
|
|
class SoftBody;
|
|
|
|
class SoftBodyVisualServerHandler {
|
|
friend class SoftBody;
|
|
|
|
RID mesh;
|
|
int surface;
|
|
PoolVector<uint8_t> buffer;
|
|
uint32_t stride;
|
|
uint32_t offset_vertices;
|
|
uint32_t offset_normal;
|
|
|
|
PoolVector<uint8_t>::Write write_buffer;
|
|
|
|
private:
|
|
SoftBodyVisualServerHandler();
|
|
bool is_ready(RID p_mesh_rid) const { return mesh.is_valid() && mesh == p_mesh_rid; }
|
|
void prepare(RID p_mesh_rid, int p_surface);
|
|
void clear();
|
|
void open();
|
|
void close();
|
|
void commit_changes();
|
|
|
|
public:
|
|
void set_vertex(int p_vertex_id, const void *p_vector3);
|
|
void set_normal(int p_vertex_id, const void *p_vector3);
|
|
void set_aabb(const AABB &p_aabb);
|
|
};
|
|
|
|
class SoftBody : public MeshInstance {
|
|
GDCLASS(SoftBody, MeshInstance);
|
|
|
|
public:
|
|
struct PinnedPoint {
|
|
int point_index;
|
|
NodePath spatial_attachment_path;
|
|
Spatial *spatial_attachment; // Cache
|
|
Vector3 offset;
|
|
|
|
PinnedPoint();
|
|
PinnedPoint(const PinnedPoint &obj_tocopy);
|
|
PinnedPoint operator=(const PinnedPoint &obj);
|
|
};
|
|
|
|
private:
|
|
SoftBodyVisualServerHandler visual_server_handler;
|
|
|
|
RID physics_rid;
|
|
|
|
bool physics_enabled = true;
|
|
|
|
RID owned_mesh;
|
|
uint32_t collision_mask;
|
|
uint32_t collision_layer;
|
|
NodePath parent_collision_ignore;
|
|
PoolVector<PinnedPoint> pinned_points;
|
|
bool simulation_started;
|
|
bool pinned_points_cache_dirty;
|
|
|
|
Ref<ArrayMesh> debug_mesh_cache;
|
|
class MeshInstance *debug_mesh;
|
|
|
|
bool capture_input_on_drag;
|
|
bool ray_pickable;
|
|
|
|
void _update_pickable();
|
|
|
|
void _update_physics_server();
|
|
void _draw_soft_mesh();
|
|
|
|
void _prepare_physics_server();
|
|
void _become_mesh_owner();
|
|
|
|
protected:
|
|
bool _set(const StringName &p_name, const Variant &p_value);
|
|
bool _get(const StringName &p_name, Variant &r_ret) const;
|
|
void _get_property_list(List<PropertyInfo> *p_list) const;
|
|
|
|
bool _set_property_pinned_points_indices(const Array &p_indices);
|
|
bool _set_property_pinned_points_attachment(int p_item, const String &p_what, const Variant &p_value);
|
|
bool _get_property_pinned_points(int p_item, const String &p_what, Variant &r_ret) const;
|
|
|
|
virtual void _changed_callback(Object *p_changed, const char *p_prop);
|
|
|
|
void _notification(int p_what);
|
|
static void _bind_methods();
|
|
|
|
virtual String get_configuration_warning() const;
|
|
|
|
public:
|
|
void set_collision_mask(uint32_t p_mask);
|
|
uint32_t get_collision_mask() const;
|
|
|
|
void set_collision_layer(uint32_t p_layer);
|
|
uint32_t get_collision_layer() const;
|
|
|
|
void set_collision_mask_bit(int p_bit, bool p_value);
|
|
bool get_collision_mask_bit(int p_bit) const;
|
|
|
|
void set_collision_layer_bit(int p_bit, bool p_value);
|
|
bool get_collision_layer_bit(int p_bit) const;
|
|
|
|
void set_parent_collision_ignore(const NodePath &p_parent_collision_ignore);
|
|
const NodePath &get_parent_collision_ignore() const;
|
|
|
|
void set_physics_enabled(bool p_enabled);
|
|
bool is_physics_enabled() const;
|
|
|
|
void set_pinned_points_indices(PoolVector<PinnedPoint> p_pinned_points_indices);
|
|
PoolVector<PinnedPoint> get_pinned_points_indices();
|
|
|
|
void set_simulation_precision(int p_simulation_precision);
|
|
int get_simulation_precision();
|
|
|
|
void set_total_mass(real_t p_total_mass);
|
|
real_t get_total_mass();
|
|
|
|
void set_linear_stiffness(real_t p_linear_stiffness);
|
|
real_t get_linear_stiffness();
|
|
|
|
void set_areaAngular_stiffness(real_t p_areaAngular_stiffness);
|
|
real_t get_areaAngular_stiffness();
|
|
|
|
void set_volume_stiffness(real_t p_volume_stiffness);
|
|
real_t get_volume_stiffness();
|
|
|
|
void set_pressure_coefficient(real_t p_pressure_coefficient);
|
|
real_t get_pressure_coefficient();
|
|
|
|
void set_pose_matching_coefficient(real_t p_pose_matching_coefficient);
|
|
real_t get_pose_matching_coefficient();
|
|
|
|
void set_damping_coefficient(real_t p_damping_coefficient);
|
|
real_t get_damping_coefficient();
|
|
|
|
void set_drag_coefficient(real_t p_drag_coefficient);
|
|
real_t get_drag_coefficient();
|
|
|
|
Array get_collision_exceptions();
|
|
void add_collision_exception_with(Node *p_node);
|
|
void remove_collision_exception_with(Node *p_node);
|
|
|
|
Vector3 get_point_transform(int p_point_index);
|
|
|
|
void pin_point_toggle(int p_point_index);
|
|
void pin_point(int p_point_index, bool pin, const NodePath &p_spatial_attachment_path = NodePath());
|
|
bool is_point_pinned(int p_point_index) const;
|
|
|
|
void set_ray_pickable(bool p_ray_pickable);
|
|
bool is_ray_pickable() const;
|
|
|
|
SoftBody();
|
|
~SoftBody();
|
|
|
|
private:
|
|
void reset_softbody_pin();
|
|
|
|
void _make_cache_dirty();
|
|
void _update_cache_pin_points_datas();
|
|
|
|
void _pin_point_on_physics_server(int p_point_index, bool pin);
|
|
void _add_pinned_point(int p_point_index, const NodePath &p_spatial_attachment_path);
|
|
void _reset_points_offsets();
|
|
|
|
void _remove_pinned_point(int p_point_index);
|
|
int _get_pinned_point(int p_point_index, PinnedPoint *&r_point) const;
|
|
int _has_pinned_point(int p_point_index) const;
|
|
};
|
|
|
|
#endif // SOFT_PHYSICS_BODY_H
|